docker-pdns/examples/kubernetes/mariadb.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  creationTimestamp: null
  labels:
    app.kubernetes.io/name: mariadb-pdns
    app.kubernetes.io/part-of: pdns
    app.kubernetes.io/component: mariadb
  name: mariadb-pdns
spec:
  podManagementPolicy: OrderedReady
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app.kubernetes.io/name: mariadb-pdns
      app.kubernetes.io/part-of: pdns
      app.kubernetes.io/component: mariadb
  serviceName: mariadb-pdns
  template:
    metadata:
      labels:
        app.kubernetes.io/name: mariadb-pdns
        app.kubernetes.io/part-of: pdns
        app.kubernetes.io/component: mariadb
    spec:
      containers:
      - name: mariadb-pdns
        image: mariadb:10.10
        imagePullPolicy: Always
        env:
          - name: MYSQL_ROOT_PASSWORD
            valueFrom:
              secretKeyRef:
                name: mariadb-pdns-secret
                key: password
        volumeMounts:
        - name: mariadb-pdns-storage
          mountPath: /var/lib/mysql
        - name: mariadb-pdns-config
          mountPath: /etc/mysql/conf.d
        ports:
        - containerPort: 3306
        resources:
          limits:
            cpu: 300m
            memory: 256Mi
          requests:
            cpu: 50m
            memory: 128Mi
      volumes:
        - name: mariadb-pdns-storage
          persistentVolumeClaim:
            claimName: mariadb-pdns-pvc
        - name: mariadb-pdns-config
          configMap:
            name: mariadb-pdns-config
            items:
              - key: mariadb-override.cnf
                path: mariadb-override.cnf
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app.kubernetes.io/name: mariadb-pdns-svc
    app.kubernetes.io/part-of: pdns
    app.kubernetes.io/component: mariadb
  name: mariadb-pdns
spec:
  ports:
  - name: tcp-mysql
    port: 3306
    protocol: TCP
    targetPort: 3306
  selector:
      app.kubernetes.io/name: mariadb-pdns
  sessionAffinity: None
  type: ClusterIP
---
apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    app.kubernetes.io/name: mariadb-pdns-config
    app.kubernetes.io/part-of: pdns
    app.kubernetes.io/component: mariadb
  name: mariadb-pdns-config
data:
  mariadb-override.cnf: |
    [mysqld]
    collation-server = utf8mb4_unicode_ci
    init-connect='SET NAMES utf8mb4'
    character-set-server = utf8mb4
    innodb_buffer_pool_size = 134217728
    innodb_log_file_size = 134217728
    innodb-log-files-in-group = 3
    binlog_format = ROW
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  labels:
    app.kubernetes.io/name: mariadb-pdns-pvc
    app.kubernetes.io/part-of: pdns
    app.kubernetes.io/component: mariadb
  name: mariadb-pdns-pvc
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
---
apiVersion: v1
kind: Secret
metadata:
  labels:
    app.kubernetes.io/name: mariadb-pdns-secret
    app.kubernetes.io/part-of: pdns
    app.kubernetes.io/component: mariadb
  name: mariadb-pdns-secret
data:
  username: cm9vdA==
  password: cm9vdA==